%0 Journal Article %T The impact of energy efficiency on carbon emissions: Evidence from the transportation sector in Chinese 30 provinces %A Li, Rongrong %A Li, Lejia %A Wang, Qiang %A , %J Sustainable Cities and Society %V 82 %P 103880 %@ 2210-6707 %D 2022-07-01 %I Elsevier BV %~ DeepDyve